#include<bits/stdc++.h>
using namespace std;
int n,a[100005];
int cnt[100005],ans=0x80000000;
int main(){
	freopen("duel.in","r",stdin);
	freopen("duel.out","w",stdout);
	scanf("%d",&n);
	for (int i = 1; i <= n; ++i){
		scanf("%d",&a[i]);
		cnt[a[i]]++;
	}
	for(int i=1;i<=100000;i++){
		if(cnt[i]){
			ans=max(ans,cnt[i]);
		}
	}
	printf("%d\n",ans);
	return 0;	
}